Harvard neuroscientists have kept tiny clusters of human brain cells alive in laboratory dishes for more than five years, setting a new record that could change how researchers study the human brain. The peppercorn-sized brain organoids, each containing more than one million cells from the cerebral cortex, survived for roughly three times as long as…

With countries fighting wars and natural calamities sweeping away civilisations, it seems a global collapse might be a spark away. But the possibility of entire humanity vanishing off the face of Earth seems a little less plausible with the years of effort we have spent preparing solutions for such situations. However, not everyone can be…